0 in a very skilful way:
1 in a way that confidently controls people or situations:
The masterfully detailed, hand-crafted work uses a variety of mediums including photography, paint, and collage.
The actor masterfully evolved his character from villain to comic to romantic lead and, ultimately, to tragic hero.
His life is revealed masterfully by his biographer.
He masterfully controlled the team's offense.
She handles her subordinates masterfully.